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प्रश्न
Solution A is strong acid B weak acid C strong alkali.
Which solution contains solute molecules in addition to water molecules?
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उत्तर
Solution B - weak acid.
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संबंधित प्रश्न
Tooth decay is caused by the presence of a base.
Name the acid-base indicator extracted from lichen.
When a piece of limestone reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z.
- What are X, Y and Z?
- Write equations for the reactions which take place:
- When limestone reacts with dilute HCl.
- When gas X reacts with lime water to form white precipitate Y.
- When excess of gas X dissolves white precipitate Y to form a soluble compound Z.
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Match the acids given in column (A) with their correct source given in column (B)
| Column (A) | Column (B) |
| (a) Lactic acid | Tamarind |
| (b) Acetic acid | Lemon |
| (c) Citric acid | Vinegar |
| (d) Tartaric acid | Curd |
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You are provided with four test tubes containing sugar solution, baking soda solution, tamarind solution, salt solution. Write down an activity to find the nature (acidic/basic/neutral) of each solution.
An acid is ______.
Complete the following equation.
HCl + H2O → ______ + ______.
Explain the following:
H3PO3 is not a tribasic acid.
